56665075 has 24 divisors (see below), whose sum is σ = 73276560. Its totient is φ = 43430400.

The previous prime is 56665073. The next prime is 56665079. The reversal of 56665075 is 57056665.

It is not a de Polignac number, because 56665075 - 2¹ = 56665073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56665073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60007 + ... + 60943.

It is an arithmetic number, because the mean of its divisors is an integer number (3053190).

Almost surely, 2^56665075 is an apocalyptic number.

56665075 is a deficient number, since it is larger than the sum of its proper divisors (16611485).

56665075 is a wasteful number, since it uses less digits than its factorization.

56665075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 40.

The square root of 56665075 is about 7527.6208060715. The cubic root of 56665075 is about 384.0948545875.

The spelling of 56665075 in words is "fifty-six million, six hundred sixty-five thousand, seventy-five".